(19)
(11) EP 1 971 849 A2

(12)

(88) Date of publication A3:
27.09.2007

(43) Date of publication:
24.09.2008 Bulletin 2008/39

(21) Application number: 06849176.0

(22) Date of filing: 13.12.2006
(51) International Patent Classification (IPC): 
G01N 21/76(2006.01)
G01N 33/18(2006.01)
G01N 35/08(2006.01)
(86) International application number:
PCT/US2006/062016
(87) International publication number:
WO 2007/081635 (19.07.2007 Gazette 2007/29)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 14.12.2005 US 750243 P

(71) Applicant: TEXAS TECH UNIVERSITY
Lubbock, TX 79409-2007 (US)

(72) Inventors:
  • DASGUPTA, Purnendu Kumar
    Lubbock, Texas 79423 (US)
  • IDOWU, Ademola David
    Lubbock, Texas 79424 (US)
  • LI, Jianzhong
    Lubbock, Texas 79401 (US)

(74) Representative: Schwan - Schwan - Schorer 
Patentanwälte European Patent Attorneys Bauerstrasse 22
80796 München
80796 München (DE)

   


(54) METHOD AND APPARATUS FOR ANALYZING ARSENIC CONCENTRATIONS USING GAS PHASE OZONE CHEMILUMINESCENCE